DCJS and NodeDC are both great meetups with knowledgable and helpful folks. There is also our conference, NationJS in September... has a lot of the same speake

DCJS and NodeDC are both great meetups with knowledgable and helpful folks. There is also our conference, NationJS in September... has a lot of the same speakers as the 1k confs but only costs around 100. For companies, take a look at SocialTables. Pretty sure they use React.